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Finding the Fourth Proportional to 346,963.24, 519,019.22 and 276,979.24

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Solution

The fourth proportional to 346,963.24, 519,019.22 and 276,979.24 is: 414,330.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,963.24 : 519,019.22 = 276,979.24 : x
  2. Step 2: Convert to fraction form
    346,963.24/519,019.22 = 276,979.24/x
  3. Step 3: Cross multiply
    346,963.24x = 519,019.22 × 276,979.24
  4. Step 4: Simplify right side
    346,963.24x = 143,757,549,100.99
  5. Step 5: Solve for x
    x = 143,757,549,100.99/346,963.24
  6. Step 6: Final answer
    x = 414,330.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.